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I am a very new user to Tableau and hopefully my issue will be easily solved. I have several sources of data which I am joining together using the edit relationship function. I find however when I go back to my view and change the chart type the relationships breakdown and I have to click on the symbol again to fix the relationships again. Is there something that I am doing to break the relationships inadvertently.
Also, I have the potential to join 6 or 7 fields for the relationship. Is it better practice to join fewer relationships or should I look to join as many as possible.